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Assessment the changes of surface water quality in different times throughout one year is an important aspect for evaluating temporal variation of river pollution due to natural or anthropogenic input of point and non-point sources to water environment that is gradually deteriorating. In this paper, principal component analysis & factor analysis (PCA & FA) is conducted according to the average...
In this paper, the author taking the geological problem of environment and occurred geological disasters evaluating objects, apply GIS HAP to evaluate three subsystems of rock environment, environmental soil, water environment which affect the quality of geological environment of Wuhan megalopolis. By analyzing the main factors which affect the subsystems, the author establishes subsystem hierarchy...
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